GMV isn't a hightly shorted stock, in fact since being listed on the ASX they have only been a hand ful of times noted on shortman.com
This was yesterdays.
Date Gross shorts 1 Issued capital % Capital shorted 2 Trade volume 3 Shorts as % of volume
Mon 4th Sep, 2017 12,490 71,111,111 0.01% 7,463,857 0.17